superset/templates/email/role_extended.txt

Dear {{ user.username }},
<br>
<a href={{ url_for('Superset.profile', username=granter.username, _external=True) }}>
   {{ granter.username }}</a> has extended the role {{ role.name }} to include
<a href={{ url_for('Superset.explore', datasource_type=datasource.type, datasource_id=datasource.id, _external=True) }}>
 {{datasource.full_name}}</a> and granted you access to it.
<br>
<br>
To see all your permissions please visit your
<a href={{ url_for('Superset.profile', username=user.username, _external=True) }}>
   profile page</a>.
<br>
<br>
Regards, Superset Admin.